TAC Xenta 421A - 2.2 System Configurations

TAC Xenta, TAC Xenta® 400 I/O Modules 2 I/O Modules in the TAC Xenta 400 series
TAC AB, Dec 2004 15 (48)
0-004-7771-3 (EN)
where
DI: Digital input
DO:Digital output
UI: Universal input
TI: Thermistor input
AO:Analog output
2.2 Configurations
The I/O modules of the TAC Xenta 400 series can be used in different
configurations, for example:
• Together with a stand-alone controller.
• With controllers and OPs in a network.
• Controllers, OPs, I/O modules and other equipment in a full net-
work with suitable adapters, possibly connected to a TAC Vi
sta
Central System.
For further information, ple
ase consult the “Engineering Network”
guides.
Fig. 2.2: An example of a TAC Xenta network
Management
level
Automation
level
Field
level
+
-
TAC
Vista
TAC
Vista
TAC Xenta OP
TP/FT-10
TAC Xenta OP
TAC Xenta 401 I/O- module I/O- module
TAC Xenta 401
or
TAC Xenta 901
PCLTA
card